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Heating  Heating

Brand

Triangle-tube Triangle-tube List all brands

Type:

MARQUIS TWH200 view MARQUIS TWH200 List all types

Error code:

73
List all errors


Error code: 73

Cause of error code 73

DIP Switch is abnormal

Solution for error code 73

This Error Code will go away when the condition is remedied. If Error happens again:
1. Check dip switches. Ensure switches match the ratings plate requirements of the water heater.
2. If the problem persists, replace the main control.


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